But they missed a flurry of chances with the striking line-up of Manvir Singh, Ashique Kuruniyan and Liston Colaco showing little coordination upfront, underlining the lack of firepower in the absence of Roy Krishna and David Williams.
The result also meant Khalid Jamil is still unbeaten in the competition and extended NorthEast's winning run to ten games.
Bengaluru FC played their hearts out to score an equaliser but looked clueless against an organised ATKMB defence
Two-time champions ATK rode on a David Williams brace to script a spectacular turnaround and storm into the final of the Indian Super League with a 3-2 aggregate win over holders Bengaluru FC, in Kolkata, on Sunday.
Earlier in the 16th minute, Ashutosh Mehta showed excellent skills and tried to create a chance from the right flank. CFC defenders intercepted the attack before he could hand the ball over to Manvir Singh.
It was a second successive draw by the Csaba Laszlo-led side as they once again squandered plenty of chances to settle in the seventh place with 10 points from eight matches.
The result means ATKMB could not break into the top-four, remaining fifth with 20 points from 12 games.
ATK Mohun Bagan moved to the top of the table and Kerala Blasters FC entered the top-four after the two sides played out an entertaining 2-2 draw in the Indian Super League.
Nassiri is son of former East Bengal legend Jamshed Nassiri, who was known for his powerful headers in the '80s.
Two-time champions ATK made their Christmas celebrations special, pipping Bengaluru FC by a David Williams solitary strike to secure their first ever win over the defending champions in the Indian Super League, in Kolkata, on Wednesday.
ATK MB's first real opportunity of the game came midway through the first half when Boumous broke free on a counter-attack, shrugged off a challenge from Wangjam and managed to get a shot on target. Gurpreet Singh Sandhu, however, got a strong hand to the strike and parried away.
The Kolkata franchise have nine points from four matches to occupy the top spot, ahead of FC Goa (eight points).
ATK's David Williams scored the all-important goal in the 48th minute to seal the win on a day when Chennaiyin FC did everything but score.
ATK Mohun Bagan started off with a more positive intent and dictated the pace of the game
Bagan adopted a completely different approach from the first leg. They had 16 shots in the first half but just three on target. It took them just three minutes to sound a warning.
Hyderabad made a disastrous start to the game as Chinglensana Singh was sent off as early as the fifth minute.
Bipin Singh's late strike helped Mumbai City FC win their maiden Indian Super League title with a 2-1 victory over ATK Mohun Bagan in the final, in Margao, on Saturday.
As in their last match against Kerala Blasters, ATKMB struggled to get going initially, while SCEB made some fine attacking moves but lacked the finishing touches.
The Republican challenger David Williams in the 'Bible Belt' US state of Kentucky, has accused Democratic Governor Steve Beshear, who participated in a Hindu-style groundbreaking ceremony for the construction of a $180 million manufacturing plant creating more than 250 jobs in this economically depressed state, as an idol-worshipper and anti-Christian.
West Indies have named Chris Gayle as captain for the three-Test tour of Australia starting on November 18 with the Caribbean side anxious to put the tribulations of the recent players' strike behind them.
Australian John Dyson was sacked as coach of West Indies on Thursday. Assistant coach David Williams will lead the team at the Champions Trophy in South Africa next month while former Test spinner Lance Gibbs will serve as manager.
After he finished breakfast at his hotel on Sunday morning, West Indies wicketkeeper Denesh Ramdin sat down and wrote a little note of thanks.
Roy Krishna powered ATK Mohun Bagan to a 3-1 win over SC East Bengal
ATK cancelled two scored in the first half by Bengaluru FC while Kolkata giants Mohun Bagan defeated Churchill Brothers.
With their fourth win of the campaign, ATK have now 14 points from seven matches while NorthEast, who have 10 points, are at fourth spot.
In a first for ATK Mohun Bagan this season, two first-half goals signalled the downfall for a beleaguered Bengaluru FC
Defending champions Bengaluru FC registered a narrow 1-0 win over ATK in the first leg of their Hero Indian Super League semi-final clash at the Sree Kanteerava Stadium, in Bengaluru, on Sunday.
A summary of sports events and persons who made news on Friday.
News of all that's transpired on and off the football field
All the results from the I-League and ISL matches played on Saturday.
The sabre, or a curved sword, has been identified as a gift to a British officer for his success in suppressing a siege in Lucknow during what India describes its First War of Independence.
News of all that's transpired on and off the football field
Here are some of the best photographs clicked across the globe in the month of October.